| 摘要 |
The invention relates to a circulating pump unit (2) comprising an electric drive motor (6) and a control device (10), which is integrated into the circulating pump unit (2), wherein at least one internal temperature sensor (16) is arranged in the circulating pump unit (2), which internal temperature sensor detects the temperature of the medium conveyed by the circulating pump unit (2) and emits a corresponding temperature signal (42) to the control device (10), wherein the control device (10) is designed to approximately determine the temperature of the liquid in a liquid reservoir (26), which is connected via a heating circuit (28) to the circulating pump unit (2), on the basis of the temperature signal (42) from the internal temperature sensor (16). The invention further relates to a solar thermal plant comprising such a circulating pump unit. |
